Finding the Fourth Proportional to 7,442,198.19, 11,156,211.41 and 2,389,965.75
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Solution
The fourth proportional to 7,442,198.19, 11,156,211.41 and 2,389,965.75 is: 3,582,673.09
Step by Step Solution
- Step 1: Write the proportion equation
7,442,198.19 : 11,156,211.41 = 2,389,965.75 : x - Step 2: Convert to fraction form
7,442,198.19/11,156,211.41 = 2,389,965.75/x - Step 3: Cross multiply
7,442,198.19x = 11,156,211.41 × 2,389,965.75 - Step 4: Simplify right side
7,442,198.19x = 26,662,963,157,709.38 - Step 5: Solve for x
x = 26,662,963,157,709.38/7,442,198.19 - Step 6: Final answer
x = 3,582,673.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.